Table .

The reported prevalence of the unusual computed tomography findings.

Publication	Number of patients	StudyOrigin	Pleural thickening and/or effusion	Air bubble sign	Nodules	Reversedhalo sign	Spiderweb sign	LAP	Pericardial effusion
Chung et al. [11]	21	China	0 (0%)	-	0 (0%)	-	-	0 (0%)	-
Bernheim et al. [13]	121	U.S.A.	1 (0.8%)	-	0 (0%)	2 (1.7%)	-	0 (0%)	-
Wu et al. [14]	80	China	5 (6%)	-	-	-	20 (25%)	3 (4%)	4 (5%)
Song et al. [18]	51	China	4 (8%)	-	-	-	-	3 (6%)	3 (6%)
Pan et al. [19]	63	China	-	-	8 (12.7%)	-	-	-	-
Ng et al. [20]	21	China	0 (0%)	-	1 (4.8%)	2 (9.6%)	-	0 (0%)	0 (0%)
Pan et al. [21]	21	China	-	-	-	-	-	0 (0%)	-
Han et al. [22]	108	China	0 (0%)	-	-	-	-	0 (0%)	0 (0%)
Xu et al. [23]	90	China	4 (4%)	-	-	-	-	1 (1%)	1 (1%)
Zhao et al. [24]	101	China	14 (13.9%)	-	23 (22.8%)	-	-	1 (1%)	-
Zhou et al. [25]	62	China	6 (9.7%)	34 (54.8%)	-	-	-	0 (0%)	-
Xu et al. [26]	41	China	2 (7.1%)	-	-	-	-	1(3.6%)	-
Li et al. [27]	51	China	1 (2.0 %)	-	11 (21.6%)	2 (3.9 %)	-	0 (0%)	-
Yang et al. [28]	149	China	10 (6.7%)	12 (8.1%)	3 (2%)	-	-	7 (4.7%)	-
Ai et al. [29]	888	China	-	-	24 (3%)	-	-	-	-
Li et al. [30]	83	China	7 (8.4%)	-	6 (7.2%)	-	21 (25.3%)	7 (8.4%)	4 (4.8%)
Xiong et al. [31]	42	China	5 (12%)	-	-	-	-	12 (29%)	0 (0%)
Bai et al. [32]	219	China	32 (15%)	-	70 (32%)	11 (5%)	-	6 (3%)	-
Cheng et al. [33]	11	China	0 (0%)	1 (9.1)	3 (27.3)	-	-	0 (0%)	-
Shi et al. [34]	81	China	4 (5%)	8 (10%)	5 (6%)	-	-	5 (6%)	-
Wang et al. [35]	93	China	8 (8.6%)	12 (12.9%)	17 (18.3%)	14 (15.1%)	-	6 (6.5%)	-
Fan et al. [36]	150	China	6 (4%)	-	18 (12%)	-	-	2 (1.3%)	-
Colombi et al. [37]	236	Italy	47 (20%)	-	-	-	-	57 (24%)	-
Zhang et al. [38]	120	China	9 (8%)	-	65 (54%)	-	-	5 (4%)	-
Zhu et al. [39]	72	China	3 (6.8)	36 (50%)	-	-	-	-	-
Wang et al. [40]	110	China	1 (0.9%)	-	-	-	-	-	-
Li et al. [41]	56	China	5 (8.9%)	-	0 (0%)	-	-	0 (0%)	-
Guan et al. [42]	47	China	0 (0%)	-	1 (2.1%)	-	-	0 (0%)	-
Liu et al. [43]	67	China	3 (4.5%)	-	-	-	-	-	-

LAP; lymphadenopathy.